Home / 2,531,788.56-3,493,957.08-1,385,869.86

Finding the Fourth Proportional to 2,531,788.56, 3,493,957.08 and 1,385,869.86

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Solution

The fourth proportional to 2,531,788.56, 3,493,957.08 and 1,385,869.86 is: 1,912,549.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,531,788.56 : 3,493,957.08 = 1,385,869.86 : x
  2. Step 2: Convert to fraction form
    2,531,788.56/3,493,957.08 = 1,385,869.86/x
  3. Step 3: Cross multiply
    2,531,788.56x = 3,493,957.08 × 1,385,869.86
  4. Step 4: Simplify right side
    2,531,788.56x = 4,842,169,809,305.61
  5. Step 5: Solve for x
    x = 4,842,169,809,305.61/2,531,788.56
  6. Step 6: Final answer
    x = 1,912,549.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.